Engineers are finding ways to use less explosive material.

工程师们正在想方设法去减少使用爆炸材料。

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What can we do to persuade households to use less electricity?

我们能做些什么来说服家家户户减少用电呢？

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A further way to cut costs and reduce environmental impact is to use less paper.

更长远的节省成本和削减环境影响的方法是使用更少的纸。

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They are said to use forty to fifty percent less wood than an open fire, and produce fifty to seventy-five percent less smoke.

VOA: special.2010.02.01

So could you use taxes and subsidies, for example, to raise the price of foods that you think people should be eating less of, and lower the price of things you would like people eating more of?

你能通过税收和补助金的方式来解决吗,例如,抬高那些你觉得大家应该少吃,的食品的价格,降低那些你认为我们,应该多吃的食物的价格

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The "is it okay" question pattern is something that you can use to make your speech a little less formal.

is it okay”问句能够让你说的话不过于正式。

Is it okay 课堂 - SpeakingMax英语口语达人

Higher prices tell consumers to use less oil, and producers to go find more.

FORBES: Are Speculators Responsible for Today's Higher Oil Prices?

Higher labor costs are the incentive for employers to find ways to use less labor.

FORBES: The Minimum Wage: More Baloney

This processor allows the XO to use less energy and therefore generate much less heat.

ECONOMIST: The $100 laptop is fast becoming a reality